US Bridges

Weekly Rd. (la 27) over Bayou Dinde

Fair

Calcasieu Parish, Louisiana · .23 MI North of I-10 · Structure no. 071008102702453

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
100 ft
5 main spans
Daily traffic
1,950
2015 count
Owner
State
State Highway Agency

About this bridge

Weekly Rd. (la 27) over Bayou Dinde is a concrete slab carrying Weekly Rd. (la 27) over Bayou Dinde in Calcasieu Parish, Louisiana. It was built in 1987, so it is 38 years old, younger than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,950 vehicles a day, projected to reach 2,145 by 2035. The structure is 100 ft (30.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWeekly Rd. (la 27)
CrossesBayou Dinde
Location.23 MI North of I-10
RouteState Highway 27
Coordinates30.21936, -93.3592
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating73 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span20 ft (6.1 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2015)
Projected traffic2,145 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Weekly Rd. (la 27) over Bayou Dinde built?

It was built in 1987, making it 38 years old in 2025.

What condition is Weekly Rd. (la 27) over Bayou Dinde in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Weekly Rd. (la 27) over Bayou Dinde carry?

About 1,950 vehicles per day (2015 count).

How long is Weekly Rd. (la 27) over Bayou Dinde?

The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 38 ft wide.

Who owns Weekly Rd. (la 27) over Bayou Dinde?

It is owned by the State Highway Agency.